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Finding the Fourth Proportional to 230,882.85, 318,623.31 and 127,516.77

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Solution

The fourth proportional to 230,882.85, 318,623.31 and 127,516.77 is: 175,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,882.85 : 318,623.31 = 127,516.77 : x
  2. Step 2: Convert to fraction form
    230,882.85/318,623.31 = 127,516.77/x
  3. Step 3: Cross multiply
    230,882.85x = 318,623.31 × 127,516.77
  4. Step 4: Simplify right side
    230,882.85x = 40,629,815,337.91
  5. Step 5: Solve for x
    x = 40,629,815,337.91/230,882.85
  6. Step 6: Final answer
    x = 175,975.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.